, but this code // executes before the first paint, when

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is not yet present. The // classes are added to so styling immediately reflects the current // toolbar state. The classes are removed after the toolbar completes // initialization. const classesToAdd = ['toolbar-loading', 'toolbar-anti-flicker']; if (toolbarState) { const { orientation, hasActiveTab, isFixed, activeTray, activeTabId, isOriented, userButtonMinWidth } = toolbarState; classesToAdd.push( orientation ? `toolbar-` + orientation + `` : 'toolbar-horizontal', ); if (hasActiveTab !== false) { classesToAdd.push('toolbar-tray-open'); } if (isFixed) { classesToAdd.push('toolbar-fixed'); } if (isOriented) { classesToAdd.push('toolbar-oriented'); } if (activeTray) { // These styles are added so the active tab/tray styles are present // immediately instead of "flickering" on as the toolbar initializes. In // instances where a tray is lazy loaded, these styles facilitate the // lazy loaded tray appearing gracefully and without reflow. const styleContent = ` .toolbar-loading #` + activeTabId + ` { background-image: linear-gradient(rgba(255, 255, 255, 0.25) 20%, transparent 200%); } .toolbar-loading #` + activeTabId + `-tray { display: block; box-shadow: -1px 0 5px 2px rgb(0 0 0 / 33%); border-right: 1px solid #aaa; background-color: #f5f5f5; z-index: 0; } .toolbar-loading.toolbar-vertical.toolbar-tray-open #` + activeTabId + `-tray { width: 15rem; height: 100vh; } .toolbar-loading.toolbar-horizontal :not(#` + activeTray + `) > .toolbar-lining {opacity: 0}`; const style = document.createElement('style'); style.textContent = styleContent; style.setAttribute('data-toolbar-anti-flicker-loading', true); document.querySelector('head').appendChild(style); if (userButtonMinWidth) { const userButtonStyle = document.createElement('style'); userButtonStyle.textContent = `#toolbar-item-user {min-width: ` + userButtonMinWidth +`px;}` document.querySelector('head').appendChild(userButtonStyle); } } } document.querySelector('html').classList.add(...classesToAdd); })(); Gerry Van Kooten | 黄大仙高手论坛

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Dr. Gerry Van Kooten

Professor Emeritus
Geology, Geography, and Environment

Biography

  • Hometown(s): Lynden, Washington & Anchorage, Alaska
  • Attended Calvin for two years and completed his BS in geology at the University of Washington, 1973
  • Earned a MS in Geology from Arizona State University, 1975
  • Received his PhD from the University of California at Santa Barbara, 1980
  • Worked for 20+ years as a petroleum geologist and oil and gas consultant in Alaska
  • Studied recent volcanic rocks in Germany on a Fullbright Scholarship, has worked on the recovery of Prince William Sound in Alaska from a major oil spill, and has documented the role of natural oil seeps on the marine environment.
  • Joined the GEO faculty first in the fall of 2002 and on a permanent basis in 2004
  • Spends summers in Alaska working on Alaska energy projects and issues

Education

MS (Arizona State, 1975), PhD (California-Santa Barbara, 1980)

Academic Interests

  • geochemistry applied to oil pollution and environmental recovery
  • ammonite fossils and their sediment filling history
  • coal resources in Alaska
  • geology of the Alaska North Slope
  • (Interim Course)
VanKooten,Gerry

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